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[cc65] / include / peekpoke.h
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                peekpoke.h                                 */
4 /*                                                                           */
5 /*     PEEK and POKE macros for those who want to write BASIC code in C      */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 2003      Ullrich von Bassewitz                                       */
10 /*               Römerstrasse 52                                             */
11 /*               D-70794 Filderstadt                                         */
12 /* EMail:        uz@cc65.org                                                 */
13 /*                                                                           */
14 /*                                                                           */
15 /* This software is provided 'as-is', without any expressed or implied       */
16 /* warranty.  In no event will the authors be held liable for any damages    */
17 /* arising from the use of this software.                                    */
18 /*                                                                           */
19 /* Permission is granted to anyone to use this software for any purpose,     */
20 /* including commercial applications, and to alter it and redistribute it    */
21 /* freely, subject to the following restrictions:                            */
22 /*                                                                           */
23 /* 1. The origin of this software must not be misrepresented; you must not   */
24 /*    claim that you wrote the original software. If you use this software   */
25 /*    in a product, an acknowledgment in the product documentation would be  */
26 /*    appreciated but is not required.                                       */
27 /* 2. Altered source versions must be plainly marked as such, and must not   */
28 /*    be misrepresented as being the original software.                      */
29 /* 3. This notice may not be removed or altered from any source              */
30 /*    distribution.                                                          */
31 /*                                                                           */
32 /*****************************************************************************/
33
34
35
36 #ifndef _PEEKPOKE_H
37 #define _PEEKPOKE_H
38
39
40
41 /*****************************************************************************/
42 /*                                  Macros                                   */
43 /*****************************************************************************/
44
45
46
47 #define POKE(addr,val)     (*(unsigned char*) (addr) = (val))
48 #define POKEW(addr,val)    (*(unsigned*) (addr) = (val))
49 #define PEEK(addr)         (*(unsigned char*) (addr))
50 #define PEEKW(addr)        (*(unsigned*) (addr))
51
52
53
54 /* End of peekpoke.h */
55 #endif
56
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58